INDEX 



(Figures in italics indicate pages on which illustrations occur.) 



Abscission, 



layer, 75; of stipules, 84 

 Absorptive tissue, 15 

 Accessory ceils, 16 

 Adventitious roots, 53, 54 



artificial production of, 55 

 Agave (sisal hemp), ii4 

 Aggregate fruit, 103, 106 

 Akene, 102., 103, 104 

 Alfalfa (see Medkago') 

 Allium Cepa (onion), 179, 202 



adventitious roots, 186, 187, i8g, 191, 

 192; anatomy, 181; bulb, iSo, loi, 20/; 

 cotyledon, 18}, 190, 197; crown stem, 

 193. 195' embryo, 183, 18}; embryog- 

 eny, 108, no, 211; floral axis, 102., 

 zoj; floral ontogeny, 2.04, 20s, 206, 

 208, 2og; flower, 181, 182; fruit, 181; 

 guard cells, 16; inflorescence, 181, 182; 

 lactiferous cells, 35, 199, 200; leaf, 

 197, 198; leaf ontogeny, 194, 196; 

 megagametophyte, io8; morphology, 

 179; polyembryony, iii; primary root, 

 187, 187, i8g; related species, 179; 

 root ontogeny, 188; root system, 179; 

 seed, 181, 18}, 184; seedling, 185, /<?;; 

 shoot, 180; stomata, 17, loi; vascular 

 anatomy of flower, 107; vascular 

 transition, 190 

 Amaryllidaceae, 



lack of integuments, 99 

 Ananas (pineapple), 



fruit, iq6 

 Anemone, 



flower, 89 

 Angiosperms, 

 embryo, 107; flower, 88; fruit, loi; 

 lateral roots, 51; leaf ontogeny, 78; 

 megasporogenesis, loi; root types, 45; 

 seed, 107 

 Anther, 89 



microsporogenesis, 97 

 Antipodals, loi 



Apium graveolens (celery), 451, 4}i, 452 

 anatomy, 455; carpophore, 456; col- 

 lenchyma, 471, 47Z, 472, 479; cotyledons, 



462., 462; cultivation, 453; floral axis, 

 464; floral development, 481, 482.; 

 flower, 454, 4S4; fruit, 455, 4s 5; hypo- 

 cotyl, 462; inflorescence, 95, 454, 454; 

 lamina, 480, 480; lateral root, 459; 

 leaf ontogeny, 470; leaves, 454, 470, 

 480, 480; mechanical tissue, 479; medul- 

 lary bundles, 462., 46}, 465, 466; mericarp, 

 455; morphology, 453; oil ducts, 15, 

 458, 4s8, 465, 466, 469, 479; petiole, 

 467, 468, 470, 474, 47f, 479; phloem, 

 477, 478; root, 453, 457, 4s8, 459, 460, 

 460; schizocarp, 455, 4//; secondary 

 thickening, 460; seed, 455, 4ss; seed- 

 ling, 457, 4S7; shoot, 454; stem, 454, 

 462., 46}, 464; stomata, 17, 18, 464, 

 470, 480; stylopodium, 455; varieties, 

 453; vascular bundles, 473, 474, 475; 

 vascular transition, 461; vessel ontog- 

 eny, 19; xylem, 475, 476 



Apocynaceae, 

 latex cells, 35 



Apple (see Pyrus Malus) 



Aquifoliaceae, 

 fruit, 103 



Archesporial cells, 97 



Arctium minus, 



vascular transition, 640 



Artichoke (see Cynara) 



Asclepidaceae, 

 latex cells, 35, 139 



Asparagus, 179 



Avena sativa (oats), in 



Axile bundle, 41 



B 



Bean (see Phaseolus^ 

 Beet (see Beta') 



_ onia, 



adventitious roots, 54; medullary bundles, 

 466 

 Berberidaceae, 



fruit, 103; ovule, 100 

 Berry, 102., 103 



inferior, 105 

 Beta maritima, "Ljd 

 Beta vulgaris (beet), 2.46 



anatomy, 2.53; cotyledons, 153, 159, 



665 



